CN215768589U

CN215768589U - Concrete shrinkage expansion device for measuring deformation of concrete workpiece

Info

Publication number: CN215768589U
Application number: CN202121820055.9U
Authority: CN
Inventors: 马大勇; 李振兴; 李超
Original assignee: Beijing Guyun Concrete Co ltd
Current assignee: Beijing Guyun Concrete Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-08
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a concrete contraction and expansion device for measuring deformation of a concrete workpiece, which comprises a base, wherein two fixed plates, two supporting plates and a concrete sample are arranged above the base, the concrete sample and the two fixed plates are positioned between the two supporting plates, a telescopic rod is fixedly connected between the fixed plates and the supporting plates, a graduated scale is arranged on the front surface wall of the base, a fixed ring is arranged below the base, and a connecting rope is arranged below the fixed ring. The accuracy of the detection of the hydraulic concrete is affected.

Description

Concrete shrinkage expansion device for measuring deformation of concrete workpiece

Technical Field

The utility model relates to the technical field of concrete, in particular to a concrete shrinkage and expansion device for measuring deformation of a concrete part.

Background

Concrete is the most widely used building material in modern times, but shrinkage is an inherent characteristic of cement concrete, and a measuring device is required to detect shrinkage and expansion of the cement concrete.

But measuring equipment places when unstable on ground, leads to measuring equipment's slope easily, makes the concrete sample produce and slides and measuring device contact, influences the accurate nature that the concrete detected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a concrete contraction and expansion device for measuring the deformation of a concrete workpiece, which overcomes the defects of the prior art and aims to solve the problem that when the existing measuring equipment is not stably placed on the ground, the inclination of the measuring equipment is easily caused, so that a concrete test piece slides to be in contact with the measuring device, and the accuracy of concrete detection is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a concrete shrinkage expansion device for concrete work piece deformation measurement, includes the base, the top of base is provided with two fixed plates, two backup pads and concrete test piece, concrete test piece and two fixed plates all are located between two backup pads, fixedly connected with telescopic link between fixed plate and the backup pad, the preceding table wall of base is provided with the scale, and the below of base is provided with solid fixed ring, gu fixed ring's below is provided with connects the rope, the below of connecting the rope is provided with the spheroid, the top of fixed plate is through bolt fixedly connected with alignment jig, the top of alignment jig is provided with the displacement sensor probe, the top of concrete test piece is provided with fixed mark target, one side of fixed mark target is provided with absorption formula standard mark target, displacement sensor probe and outside host computer electric connection.

As a preferable technical scheme of the utility model, the fixing plates are of a concave structure, and the openings of the two fixing plates are oppositely arranged.

As a preferred technical scheme of the utility model, the fixing plate is made of stainless steel.

As a preferred technical solution of the present invention, four support columns are disposed below the base, and the four support columns are respectively located at four corner positions of the base.

As a preferred technical scheme of the present invention, the adsorption type standard target is provided with magnetic steel.

As a preferable technical solution of the present invention, the displacement sensor probe and the adsorption type standard target are arranged in parallel.

Compared with the prior art, the utility model has the beneficial effects that:

the sphere can be suspended below the fixing ring through the connecting rope, the inclination of the base can be detected through the matching of the sphere and the connecting rope, when the base is inclined, the sphere can incline towards the lower side, when the base is stably placed, the sphere naturally sags, the detection is convenient and rapid, the inclination of measuring equipment is avoided being easily caused when the base is inclined, a concrete test piece slides to be in contact with the measuring device, and the accuracy of concrete detection is influenced.

According to the utility model, the distance between the two fixing plates can be accurately adjusted according to concrete samples with different lengths through the graduated scale, so that the concrete samples are prevented from being easily collided with the fixing plates when being placed on the base, and the fixing plates are prevented from being damaged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic bottom view of the present invention.

Description of reference numerals:

1. a displacement sensor probe; 2. fixing the target; 3. a fixing plate; 4. a support plate; 5. a telescopic rod; 6. a base; 7. a graduated scale; 8. connecting ropes; 9. a sphere; 10. a fixing ring; 11. a support pillar; 12. an adsorption type standard target; 13. an adjusting bracket; 14. concrete test pieces.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-3, a concrete shrinkage expansion device for measuring deformation of a concrete workpiece, comprising a base 6, two fixing plates 3, two supporting plates 4 and a concrete sample 14 are arranged above the base 6, the concrete sample 14 and the two fixing plates 3 are both located between the two supporting plates 4, an expansion link 5 is fixedly connected between the fixing plates 3 and the supporting plates 4, the position of the fixing plate 3 can be adjusted by the expansion link 5, the fixing plate 3 is of a concave structure, openings of the two fixing plates 3 are oppositely arranged, the concrete sample 14 can be conveniently placed for measurement, the fixing plate 3 is made of stainless steel, and the service life of the fixing plate 3 is prolonged by the stainless steel.

Specifically, please refer to fig. 1 and 3, the front surface wall of the base 6 is provided with a graduated scale 7, a fixing ring 10 is arranged below the base 6, a connecting rope 8 is arranged below the fixing ring 10, a ball 9 is arranged below the connecting rope 8, the connecting rope 8 is convenient for the ball 9 to hang below the base 6, whether the base 6 is inclined or not is judged according to whether the ball 9 falls vertically, four supporting columns 11 are arranged below the base 6, the four supporting columns 11 are respectively located at four corner positions of the base 6, and the base 6 can stand on the ground stably.

Specifically, please refer to fig. 1 and 2, bolt fixedly connected with alignment jig 13 is passed through to the top of fixed plate 3, alignment jig 13's top is provided with displacement sensor probe 1, concrete sample 14's top is provided with fixed target 2, one side of fixed target 2 is provided with absorption formula standard mark target 12, displacement sensor probe 1 and outside host computer electric connection, be provided with the magnet steel on the absorption formula standard mark target 12, be convenient for absorption formula standard mark target 12 can adsorb on fixed target 2, displacement sensor probe 1 and absorption formula standard mark target 12 parallel arrangement, be convenient for displacement sensor probe 1 can measure the removal of absorption formula standard mark target 12.

The working principle is as follows: when the device is used, an operator can place a concrete test piece 14 on a base 6, then adjust the position of a fixing plate 3 through an expansion rod 5, a part of gap is reserved between the concrete test piece 14 and the fixing plate 3, the concrete test piece 14 is prevented from touching the fixing plate 3 when expanding, the expansion of the concrete test piece 14 is limited, a displacement sensor probe 1 senses the expansion or contraction of the concrete test piece 14 through the movement of two adsorption type standard targets 12 and transmits the measured data to an external host, a connecting rope 8 can hang a sphere 9 below a fixing ring 10, the inclination of the base 6 can be detected through the matching of the sphere 9 and the connecting rope 8, when the base 6 inclines, the sphere 9 can incline towards the lower side, when the base 6 is stably placed, the sphere 9 naturally sags down, the detection is convenient and fast, the inclination of a measuring device is avoided being easily caused when the base 6 inclines, the concrete test piece 14 slides to be in contact with the fixing plate 3, and the accuracy of concrete detection is affected.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a concrete work piece deformation is concrete contraction and expansion device for measurement, includes base (6), its characterized in that: the device is characterized in that two fixing plates (3), two supporting plates (4) and a concrete test piece (14) are arranged above the base (6), the concrete test piece (14) and the two fixing plates (3) are located between the two supporting plates (4), a telescopic rod (5) is fixedly connected between the fixing plates (3) and the supporting plates (4), a graduated scale (7) is arranged on the front surface wall of the base (6), a fixing ring (10) is arranged below the base (6), a connecting rope (8) is arranged below the fixing ring (10), a ball body (9) is arranged below the connecting rope (8), an adjusting frame (13) is fixedly connected above the fixing plates (3) through bolts, a displacement sensor probe (1) is arranged above the adjusting frame (13), and a fixed target (2) is arranged above the concrete test piece (14), one side of the fixed target (2) is provided with an adsorption type standard target (12), and the displacement sensor probe (1) is electrically connected with an external host.

2. The concrete shrinkage and expansion device for measuring the deformation of the concrete workpiece according to claim 1, which is characterized in that: the fixing plates (3) are of a concave structure, and the openings of the two fixing plates (3) are arranged oppositely.

3. The concrete contraction and expansion device for measuring the deformation of the concrete workpiece according to claim 2, wherein: the fixed plate (3) is made of stainless steel.

4. The concrete shrinkage and expansion device for measuring the deformation of the concrete workpiece according to claim 1, which is characterized in that: four supporting columns (11) are arranged below the base (6), and the four supporting columns (11) are respectively located at four corner positions of the base (6).

5. The concrete shrinkage and expansion device for measuring the deformation of the concrete workpiece according to claim 1, which is characterized in that: and magnetic steel is arranged on the adsorption type standard target (12).

6. The concrete shrinkage and expansion device for measuring the deformation of the concrete workpiece according to claim 1, which is characterized in that: the displacement sensor probe (1) and the adsorption type standard target (12) are arranged in parallel.